$obj_pdf = new TCPDF('P', PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
$obj_pdf->SetCreator(PDF_CREATOR);
$title = 'PDF Report';
//$obj_pdf->SetTitle($title);
//$obj_pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, $title, PDF_HEADER_STRING);
$obj_pdf->SetHeaderData("", "", "User Records", "Hello Admin");
$obj_pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
$obj_pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
$obj_pdf->SetDefaultMonospacedFont('helvetica');
$obj_pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
$obj_pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
$obj_pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
$obj_pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
$obj_pdf->SetFont('helvetica', '', 9);
$obj_pdf->setFontSubsetting(false);
$obj_pdf->AddPage();

ob_start();

$tbl = "<table class='table table-bordered' style='width:680px;'>";
$tbl .= "<tr>";
$tbl .= "<td><b style='font-size:18px'>".@$view[0]->hotel_ename."</b></font></td>";
$tbl .= "<td width='60%' align='right'>";
$tbl .= "<b style='font-size:18px'>".$company[0]->company_name."</b><div style='height:10px;'></div>";
$tbl .= "TEL : ".$company[0]->company_tel."<div style='height:5px;'></div>FAX : ".$company[0]->company_fax."<div style='height:5px;'></div>";
$tbl .= $company[0]->company_address."<div style='height:5px;'></div>";
$tbl .= $company[0]->company_address2;
$tbl .= "</td>";
$tbl .= "</tr>";
$tbl .= "</table>";
$tbl .= "<div style='height:5px;'></div>";

ob_end_clean();

$obj_pdf->writeHTML($tbl, true, false, true, false, '');

$obj_pdf->Output('output.pdf', 'I');
exit

이렇게 하면 

A PHP Error was encountered

Severity: Notice

Message: Undefined index: cols

Filename: tcpdf/tcpdf.php

Line Number: 16928

이런 에레외에도 그대로 사용할 수 없네요 ?

혹시  PDF를 생성할때 $this->load->view();를 사용하거나

view 페이지에서 위 소스처럼 에러 없이 이용할 수는 없나요 ?